Finding the Fourth Proportional to 154,426,804.21, 231,640,020.19 and 39,411,358.84
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Solution
The fourth proportional to 154,426,804.21, 231,640,020.19 and 39,411,358.84 is: 59,116,990.75
Step by Step Solution
- Step 1: Write the proportion equation
154,426,804.21 : 231,640,020.19 = 39,411,358.84 : x - Step 2: Convert to fraction form
154,426,804.21/231,640,020.19 = 39,411,358.84/x - Step 3: Cross multiply
154,426,804.21x = 231,640,020.19 × 39,411,358.84 - Step 4: Simplify right side
154,426,804.21x = 9,129,247,956,227,282 - Step 5: Solve for x
x = 9,129,247,956,227,282/154,426,804.21 - Step 6: Final answer
x = 59,116,990.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.